Table 4.
Multivariable analysis of predictors for 90-day mortality
| Univariable analysis | Multivariable analysis | |||||
|---|---|---|---|---|---|---|
| OR | 95% CI | p value | OR | 95% CI | p value | |
| Age ≥65 years | 2.39 | 1.37–4.18 | 0.002 | 2.40 | 1.36–4.23 | 0.002 |
| Male sex | 1.37 | 0.78–2.40 | 0.272 | |||
| BMI ≥ 25 kg/m2 | 1.42 | 0.82–2.44 | 0.211 | |||
| ASA score | ||||||
| I/II | Ref | – | – | |||
| III/IV | 2.11 | 1.24–3.60 | 0.006 | |||
| Jaundice at presentation | 2.35 | 1.12–4.94 | 0.024 | |||
| Biliary drainage | ||||||
| Any | 2.41 | 0.93–6.27 | 0.072 | |||
| Preoperative cholangitis | 2.12 | 1.24–3.62 | 0.006 | 2.25 | 1.30–3.87 | 0.004 |
| FLR below 40 % | 1.87 | 1.08–3.25 | 0.026 | |||
| PV reconstruction | 1.57 | 0.93–2.67 | 0.093 | |||
| HA reconstruction | 1.42 | 0.45–4.44 | 0.552 | |||
| Hepatic steatosis | ||||||
| Grade 0 (< 5 %) | Ref | – | – | Ref | – | – |
| Grades 1–3 (≥ 5 %) | 1.22 | 0.62–2.39 | 0.559 | 1.15 | 0.57–2.30 | 0.701 |
| Hepatic fibrosis | ||||||
| None | Ref | – | – | Ref | – | – |
| Fibrosisa | 0.60 | 0.33–1.06 | 0.080 | 0.56 | 0.31–1.01 | 0.055 |
OR odds ratio, CI confidence interval, BMI body mass index, ASA American Society of Anesthesiologists, FLR future liver remnant, PV portal vein, HA hepatic artery
aPeriportal fibrosis, septal fibrosis, or biliary cirrhosis